CVE-2026-104755— WP Compress 7.25.00 未认证权限提升漏洞
一分钟漏洞结论
影响对象
aresit WP Compress – Instant Performance & Speed Optimization
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
WordPress 插件"WP Compress – Instant Performance & Speed Optimization"在 7.25.00 及之前的所有版本中均存在权限提升漏洞。该漏洞的根源在于： 分发器（即 ）被钩入每个前端请求，其访问控制仅通过比较调用方提供的 参数与插件存储的 API 密钥来实现，既未进行 WordPress 能力检查，也未验证 nonce。随后，未经验证的 、 和 参数被直接传递给 函数，该函数将这些参数写入 选项，且未实施白名单限制。 这使得未认证的攻击者能够将任意权限密钥
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一、 漏洞 CVE-2026-104755 基础信息
漏洞信息
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Vulnerability Title
WP Compress <= 7.25.00 - Unauthenticated Privilege Escalation to 'group'/'setting'/'value' Parameters on comms Endpoint
来源: CVE Program / CVE List V5
Vulnerability Description
The WP Compress – Instant Performance & Speed Optimization plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 7.25.00 The vulnerability exists because the `start_comms` dispatcher (`wps_ic_comms::start_comms`), hooked on every front-end request, gates access only by comparing the caller-supplied `apikey` parameter against the stored plugin API key with no WordPress capability check and no nonce verification, then passes the unvalidated `group`, `setting`, and `value` parameters directly to `change_setting()`, which writes them into the `WPS_IC_SETTINGS` option without an allow-list. This makes it possible for unauthenticated attackers to write arbitrary permission keys into the plugin's settings, causing `wps_ic_users::checkAndAddCaps()` to grant any WordPress role — including Subscriber — the `manage_wpc_settings` capability and thereby achieve plugin-administrator-equivalent control over the plugin's optimization, CDN, and critical-CSS surfaces. The API key required to pass the authorization check can itself be obtained without authentication via the `wpc_send_critical_remote` nopriv AJAX action: when the external critical-CSS service returns an `apiResults` field, `initCritical()` echoes the stored plugin API key back to the caller in a `wp_send_json_success` response, completing the exploit chain entirely without a WordPress login.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| aresit | WP Compress – Instant Performance & Speed Optimization | 0 ~ 7.25.00 | - |
|
二、漏洞 CVE-2026-104755 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-104755 补丁与修复 (1)
CVE-2026-104755 厂商页面 (1)
CVE-2026-104755 其他参考 (1)
CVE-2026-104755 其他参考 (1)
IV. Related Vulnerabilities
Same product: WP Compress – Instant Performance & Speed Optimization
V. Comments for CVE-2026-104755
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